/*      $NetBSD: el.h,v 1.8 2001/01/06 14:44:50 jdolecek Exp $  */

/*-
 * Copyright (c) 1992, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Christos Zoulas of Cornell University.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)el.h        8.1 (Berkeley) 6/4/93
 */

/*
 * el.h: Internal structures.
 */
#ifndef _h_el
#define _h_el
/*
 * Local defaults
 */
#define KSHVI
#define VIDEFAULT
#define ANCHOR

#include <stdio.h>
#include <sys/types.h>

#define EL_BUFSIZ       1024            /* Maximum line size            */

#define HANDLE_SIGNALS  (1 << 0)
#define NO_TTY          (1 << 1)
#define EDIT_DISABLED   (1 << 2)

/*typedef int bool_t;*/                 /* True or not                  */

typedef unsigned char el_action_t;      /* Index to command array       */

typedef struct coord_t {                /* Position on the screen       */
        int     h;
        int     v;
} coord_t;

typedef struct el_line_t {
        char    *buffer;                /* Input line                   */
        char    *cursor;                /* Cursor position              */
        char    *lastchar;              /* Last character               */
        const char      *limit;                 /* Max position                 */
} el_line_t;

/*
 * Editor state
 */
typedef struct el_state_t {
        int             inputmode;      /* What mode are we in?         */
        int             doingarg;       /* Are we getting an argument?  */
        int             argument;       /* Numeric argument             */
        int             metanext;       /* Is the next char a meta char */
        el_action_t     lastcmd;        /* Previous command             */
} el_state_t;

/*
 * Until we come up with something better...
 */
#define el_malloc(a)    XMALLOC(0, a)
#define el_realloc(a,b) XREALLOC(0, a, b)
#define el_free(a)      XFREE(0, a)

#include "tty.h"
#include "prompt.h"
#include "key.h"
#include "term.h"
#include "refresh.h"
#include "chared.h"
#include "common.h"
#include "search.h"
#include "hist.h"
#include "map.h"
#include "parse.h"
#include "sig.h"
#include "help.h"

struct editline {
        char             *el_prog;      /* the program name             */
        FILE             *el_outfile;   /* Stdio stuff                  */
        FILE             *el_errfile;   /* Stdio stuff                  */
        int               el_infd;      /* Input file descriptor        */
        int               el_flags;     /* Various flags.               */
        coord_t           el_cursor;    /* Cursor location              */
        char            **el_display;   /* Real screen image = what is there */
        char            **el_vdisplay;  /* Virtual screen image = what we see */
        el_line_t         el_line;      /* The current line information */
        el_state_t        el_state;     /* Current editor state         */
        el_term_t         el_term;      /* Terminal dependent stuff     */
        el_tty_t          el_tty;       /* Tty dependent stuff          */
        el_refresh_t      el_refresh;   /* Refresh stuff                */
        el_prompt_t       el_prompt;    /* Prompt stuff                 */
        el_prompt_t       el_rprompt;   /* Prompt stuff                 */
        el_chared_t       el_chared;    /* Characted editor stuff       */
        el_map_t          el_map;       /* Key mapping stuff            */
        el_key_t          el_key;       /* Key binding stuff            */
        el_history_t      el_history;   /* History stuff                */
        el_search_t       el_search;    /* Search stuff                 */
        el_signal_t       el_signal;    /* Signal handling stuff        */
};

protected int   el_editmode(EditLine *, int, char **);

#ifdef DEBUG
#define EL_ABORT(a)     (void) (fprintf(el->el_errfile, "%s, %d: ", \
                                __FILE__, __LINE__), fprintf a, abort())
#else
#define EL_ABORT(a)     abort()
#endif
#endif /* _h_el */
